Allison Ambrose

Insider Reports History

Entity
Individual
Location
Upstream Bio, Inc., 890 Winter Street, Suite 200, Waltham, MA
Signature
/s/ Allison Ambrose
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Allison Ambrose:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Upstream Bio, Inc. General Counsel Stock Option (Right to Buy) 25K Feb 6, 2025 Direct

Insider Reports Filed by Allison Ambrose

Symbol Company Period Transactions Value $ Form Type Date Filed Role
UPB Upstream Bio, Inc. Feb 6, 2025 1 $0 4 Feb 7, 2025 General Counsel
UPB Upstream Bio, Inc. Dec 16, 2024 1 $0 4 Dec 17, 2024 General Counsel
UPB Upstream Bio, Inc. Dec 16, 2024 0 $0 3 Dec 17, 2024 General Counsel